Cheboygan, MI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Cheboygan, MI

April 21, 2024 5:04 AM EDT (09:04 UTC) Change Location
Sunrise 6:36 AM   Sunset 8:35 PM
Moonrise 5:26 PM   Moonset 4:50 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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Marine Forecasts
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LHZ345 Straits Of Mackinac Within 5 Nm Of Mackinac Bridge Including Mackinac Island- 412 Am Edt Sun Apr 21 2024

Today - West wind 10 to 15 knots. Sunny early in the morning then becoming mostly Sunny. Waves 2 to 3 feet.

Tonight - West wind 10 to 15 knots. Mostly clear. Waves 2 feet or less.

Monday - Southwest wind 10 to 15 knots. Mostly Sunny. Waves 2 feet or less.

Monday night - Southwest wind 10 to 20 knots. Rain showers. Waves 2 to 4 feet.
see the open lakes forecast for days 3 through 5.

LHZ300
No data


7 Day Forecast for Marine Location Near Cheboygan, MI
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Area Discussion for - Gaylord, MI
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FXUS63 KAPX 210733 AFDAPX

Area Forecast Discussion National Weather Service Gaylord MI 333 AM EDT Sun Apr 21 2024

KEY MESSAGES

- Elevated fire danger Monday.

- Showers and breezy conditions late Monday night into Tuesday.

- Mild temperatures return late week into next weekend.

SHORT TERM /THROUGH TONIGHT/

Pattern/Synopsis: A ridge of high pressure extends from the central plains to the OH Valley. A cold front is dropping across northern Ontario, nearing far northern Lk Superior. This boundary makes it into eastern upper MI this afternoon, before washing out.

Forecast: The low cloud deck has been clearing out from nw to se. Clouds linger south of a CAD-OSC line, but will continue to depart early this morning. Otherwise, just some cirrus overhead.
Additional low clouds are over and especially north of Lk Superior, thanks to some low-level moisture pooling near the cold front. These will make their way into eastern upper MI by mid-late morning, with diurnal heating assisting the process of blossoming cu/stratocu in the coolish but moistening air.
There's a non-zero chance of a sprinkle of weak shower (especially late morning to mid-afternoon), but better chances will be on the Canadian side of the St Marys River. Will keep pops out of eastern upper MI for today. From midday thru the afternoon, an area of partly cloudy skies will move gradually south across northern lower MI, even as eastern upper MI clears out later in the day.

Highs today from the upper 40s north to upper 50s far se.
Diurnal heating/mixing will promote breezy conditions this afternoon, and somewhat low RH values (25-35 percent for a min RH in most spots, lowest near Saginaw Bay). Gave some thought to adding elevated fire danger for today (already in the HWO for tomorrow), but will keep the focus on Monday. Marine: small craft advisories issued for offshore gustiness around eastern upper and ne lower MI.

Cloud cover will exit south and other diminish tonight, leaving mostly clear skies. Winds will weaken, and good radiational cooling will occur, aided by low BL moisture/surface dew points in place. Lows mainly in the 20s, some around 30 readings for the nw lower MI coast. Though we haven't started frost-freeze products yet, some places may have some vulnerabilities (orchards). Take precautions as needed.

LONG TERM /MONDAY THROUGH SATURDAY/

Pattern Synopsis and Forecast:

Heights will rise on Monday with warming temperatures and dry conditions. By late Monday night, upper trough and surface low pressure system will approach the region spreading precipitation chances. Sfc low will pass through the region from northwest to southeast on Tuesday, dragging a colder airmass into the region Tuesday night. Heights will rise as ridging builds into northern Michigan late week.

Primary Forecast Concerns:

Southwest sfc flow and deep mixing will promote warm and dry conditions on Monday, especially for interior northern lower.
Consequently, elevated fire danger can be expected as relative humidity values drop to around 20-30% most locations and wind gusts range from the upper 10s to low-mid 20s. No major concerns otherwise.

Lift approaches the region late Monday night into Tuesday in the form of an upper trough and attendant sfc low pressure/frontal system. Temperatures will rise into the 60s out ahead of this system, with a cold front pushing through Tuesday night making for a cool Wednesday. Expect breezy conditions in addition to rain/convective showers with this next system as it skirts through the area. Progged soundings Tuesday afternoon suggest weak skinny CAPE but lapse rates are quite steep in the low to mid levels (in addition to relatively dry sub cloud layers). Thus, gusty thunderstorms will be possible with any of the more robust updrafts that attempt to manifest (will be worth monitoring the trends in instability going forward). Cannot rule out a few light snow showers/mix behind this cooler airmass Tuesday night, but moisture/lift will decrease rapidly resulting in little impact.

After a cooler Wednesday, temperatures rebound quite nicely to close out the work week. Ridging aloft will build, thus fostering a quick rebound in temperatures with values in the 60s by Friday. Mild temperatures remain into next weekend with active weather possible.

AVIATION /06Z TAFS THROUGH 06Z MONDAY/
Upstream ridge axis will continue to slowly build into the Western Great Lakes thru Sunday night. VFR will persist for the next 24 hours at least. Surface winds will remain from the W/NW at 10 to 15 kts overnight...strengthening to 15 to 25 kts on Sunday.

APX WATCHES/WARNINGS/ADVISORIES
MI...None.
MARINE...Small Craft Advisory from noon today to 9 PM EDT this evening for LHZ346>349.
Small Craft Advisory from noon today to 9 PM EDT this evening for LSZ321-322.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
SRLM4 16 mi65 min SW 17 36°F 30°F
MACM4 - 9075080 - Mackinaw City, MI 17 mi65 min WSW 8.9G12 37°F 42°F31°F
DTLM4 - 9075099 - De Tour Village, MI 35 mi65 min WSW 5.1G8 35°F 41°F33°F
RCKM4 - 9076024 - Rock Cut, MI 42 mi65 min SW 1.9G5.1 41°F
WNEM4 - 9076027 - West Neebish, MI 43 mi65 min WSW 4.1G6 31°F 42°F24°F


Wind History for Mackinaw City, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSLH CHEBOYGAN COUNTY,MI 6 sm29 minWSW 0610 smClear32°F27°F80%29.98
KMCD MACKINAC ISLAND,MI 17 sm29 minW 12G1710 smClear37°F30°F75%29.97
KPLN PELLSTON RGNL AIRPORT OF EMMET COUNTY,MI 22 sm70 minW 0510 smClear36°F27°F69%30.00
Link to 5 minute data for KSLH


Wind History from SLH
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Tide / Current for
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Weather Map
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GEOS Local Image of great lakes   
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Gaylord, MI,



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